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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/tab_contents/background_contents.h"
#include "chrome/browser/browser.h"
#include "chrome/browser/browser_list.h"
#include "chrome/browser/browsing_instance.h"
#include "chrome/browser/in_process_webkit/dom_storage_context.h"
#include "chrome/browser/in_process_webkit/webkit_context.h"
#include "chrome/browser/profile.h"
#include "chrome/browser/renderer_host/render_view_host.h"
#include "chrome/browser/renderer_host/site_instance.h"
#include "chrome/browser/renderer_preferences_util.h"
#include "chrome/common/notification_service.h"
#include "chrome/common/view_types.h"
#include "chrome/common/render_messages.h"
////////////////
// BackgroundContents
BackgroundContents::BackgroundContents(SiteInstance* site_instance,
int routing_id) {
Profile* profile = site_instance->browsing_instance()->profile();
// TODO(rafaelw): Implement correct session storage.
int64 session_storage_namespace_id = profile->GetWebKitContext()->
dom_storage_context()->AllocateSessionStorageNamespaceId();
render_view_host_ = new RenderViewHost(site_instance, this, routing_id,
session_storage_namespace_id);
render_view_host_->AllowScriptToClose(true);
#if defined(OS_WIN) || defined(OS_LINUX)
registrar_.Add(this, NotificationType::BROWSER_CLOSED,
NotificationService::AllSources());
#elif defined(OS_MACOSX)
registrar_.Add(this, NotificationType::APP_TERMINATING,
NotificationService::AllSources());
#endif
}
void BackgroundContents::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
// TODO(rafaelw): Implement pagegroup ref-counting so that non-persistent
// background pages are closed when the last referencing frame is closed.
switch (type.value) {
#if defined(OS_WIN) || defined(OS_LINUX)
case NotificationType::BROWSER_CLOSED: {
bool app_closing = *Details<bool>(details).ptr();
if (app_closing)
delete this;
break;
}
#elif defined(OS_MACOSX)
case NotificationType::APP_TERMINATING: {
delete this;
break;
}
#endif
default:
NOTREACHED() << "Unexpected notification sent.";
break;
}
}
BackgroundContents::~BackgroundContents() {
NotificationService::current()->Notify(
NotificationType::BACKGROUND_CONTENTS_DELETED,
Source<BackgroundContents>(this),
Details<RenderViewHost>(render_view_host_));
render_view_host_->Shutdown(); // deletes render_view_host
}
void BackgroundContents::DidNavigate(
RenderViewHost* render_view_host,
const ViewHostMsg_FrameNavigate_Params& params) {
// We only care when the outer frame changes.
if (!PageTransition::IsMainFrame(params.transition))
return;
// Note: because BackgroundContents are only available to extension apps,
// navigation is limited to urls within the app's extent. This is enforced in
// RenderView::decidePolicyForNaviation. If BackgroundContents become
// available as a part of the web platform, it probably makes sense to have
// some way to scope navigation of a background page to its opener's security
// origin. Note: if the first navigation is to a URL outside the app's
// extent a background page will be opened but will remain at about:blank.
url_ = params.url;
NotificationService::current()->Notify(
NotificationType::BACKGROUND_CONTENTS_NAVIGATED,
Source<BackgroundContents>(this),
Details<RenderViewHost>(render_view_host_));
}
void BackgroundContents::RunJavaScriptMessage(
const std::wstring& message,
const std::wstring& default_prompt,
const GURL& frame_url,
const int flags,
IPC::Message* reply_msg,
bool* did_suppress_message) {
// TODO(rafaelw): Implement, The JavaScriptModalDialog needs to learn about
// BackgroundContents.
*did_suppress_message = true;
}
std::wstring BackgroundContents::GetMessageBoxTitle(const GURL& frame_url,
bool is_alert) {
NOTIMPLEMENTED();
return L"";
}
gfx::NativeWindow BackgroundContents::GetMessageBoxRootWindow() {
NOTIMPLEMENTED();
return NULL;
}
void BackgroundContents::OnMessageBoxClosed(IPC::Message* reply_msg,
bool success,
const std::wstring& prompt) {
render_view_host_->JavaScriptMessageBoxClosed(reply_msg, success, prompt);
}
void BackgroundContents::Close(RenderViewHost* render_view_host) {
delete this;
}
RendererPreferences BackgroundContents::GetRendererPrefs(
Profile* profile) const {
RendererPreferences preferences;
renderer_preferences_util::UpdateFromSystemSettings(&preferences, profile);
return preferences;
}
WebPreferences BackgroundContents::GetWebkitPrefs() {
// TODO(rafaelw): Consider enabling the webkit_prefs.dom_paste_enabled for
// apps.
Profile* profile = render_view_host_->process()->profile();
return RenderViewHostDelegateHelper::GetWebkitPrefs(profile,
false); // is_dom_ui
}
void BackgroundContents::ProcessDOMUIMessage(const std::string& message,
const ListValue* content,
const GURL& source_url,
int request_id,
bool has_callback) {
// TODO(rafaelw): It may make sense for extensions to be able to open
// BackgroundContents to chrome-extension://<id> pages. Consider implementing.
render_view_host_->BlockExtensionRequest(request_id);
}
void BackgroundContents::CreateNewWindow(
int route_id,
WindowContainerType window_container_type,
const string16& frame_name) {
delegate_view_helper_.CreateNewWindow(route_id,
render_view_host_->process()->profile(),
render_view_host_->site_instance(),
DOMUIFactory::GetDOMUIType(url_),
this,
window_container_type,
frame_name);
}
void BackgroundContents::CreateNewWidget(int route_id,
WebKit::WebPopupType popup_type) {
NOTREACHED();
}
void BackgroundContents::ShowCreatedWindow(int route_id,
WindowOpenDisposition disposition,
const gfx::Rect& initial_pos,
bool user_gesture) {
TabContents* contents = delegate_view_helper_.GetCreatedWindow(route_id);
if (!contents)
return;
Browser* browser = BrowserList::GetLastActiveWithProfile(
render_view_host_->process()->profile());
if (!browser)
return;
browser->AddTabContents(contents, disposition, initial_pos, user_gesture);
}
void BackgroundContents::ShowCreatedWidget(int route_id,
const gfx::Rect& initial_pos) {
NOTIMPLEMENTED();
}
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